Radar Down Three Hours At Northern Kentucky Airport

Posted: Tue 10:21 AM, Jul 31, 2007&nbsp|&nbsp

Updated: Tue 1:40 PM, Jul 31, 2007

CINCINNATI (AP) - The Federal Aviation Administration says about 100 weekend flights were delayed at the Cincinnati/Northern Kentucky International Airport. That was due to a failure in a power supply system that left the local radar system down for almost three hours.

FAA spokeswoman Kathleen Bergen says air traffic controllers at the airport in Hebron, Kentucky, directed flights using long-range radar at an FAA facility in London, Ohio, about 72 miles away.

Bergen says the radar antenna at the airport is motor-powered, using two motors, each with a separate power supply. She says apparently one of the power supplies shorted out, and the system didn't revert to the backup.

FAA investigators are trying to find out why the backup systems didn't kick in when the main system failed.

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